Effects of Chrysosporum (Aphanizomenon) ovalisporum extracts containing cylindrospermopsin on growth, photosynthetic capacity, and mineral content of carrots (Daucus carota)

Natural toxins produced by freshwater cyanobacteria, such as cylindrospermopsin, have been regarded as an emergent environmental threat. Despite the risks for food safety, the impact of these water contaminants in agriculture is not yet fully understood. Carrots (Daucus carota) are root vegetables,...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 26(2017), 1 vom: 22. Jan., Seite 22-31
1. Verfasser: Guzmán-Guillén, Remedios (VerfasserIn)
Weitere Verfasser: Campos, Alexandre, Machado, Joana, Freitas, Marisa, Azevedo, Joana, Pinto, Edgar, Almeida, Agostinho, Cameán, Ana M, Vasconcelos, Vitor
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Cylindrospermopsin Daucus carota Food safety Minerals Photosynthesis Alkaloids Bacterial Toxins Cyanobacteria Toxins Soil Pollutants mehr... Water Pollutants, Chemical cylindrospermopsin 2JIZ556BA3 Uracil 56HH86ZVCT
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245 1 0 |a Effects of Chrysosporum (Aphanizomenon) ovalisporum extracts containing cylindrospermopsin on growth, photosynthetic capacity, and mineral content of carrots (Daucus carota) 
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520 |a Natural toxins produced by freshwater cyanobacteria, such as cylindrospermopsin, have been regarded as an emergent environmental threat. Despite the risks for food safety, the impact of these water contaminants in agriculture is not yet fully understood. Carrots (Daucus carota) are root vegetables, extensively consumed worldwide with great importance for human nourishment and economy. It is, therefore, important to evaluate the possible effects of using water contaminated with cyanotoxins on carrot cultivation. The aim of this work was to investigate cylindrospermopsin effects on D. carota grown in soil and irrigated for 30 days, with a Chrysosporum ovalisporum extract containing environmentally relevant concentrations of cylindrospermopsin (10 and 50 μg/L). The parameters evaluated were plant growth, photosynthetic capacity, and nutritional value (mineral content) in roots of carrots, as these are the edible parts of this plant crop. The results show that, exposure to cylindrospermopsin did not have a clear negative effect on growth or photosynthesis of D. carota, even leading to an increase of both parameters. However, alterations in mineral contents were detected after exposure to crude extracts of C. ovalisporum containing cylindrospermopsin. A general decline was observed for most minerals (Ca, Mg, Na, Fe, Mn, Zn, Mo, and P), although an increase was shown in the case of K and Cu, pointing to a possible interference of the cyanobacterial extract in mineral uptake. This study is the first to evaluate the effects of C. ovalisporum extracts on a root vegetable, however, more research is necessary to understand the effects of this toxin in environmentally relevant scenarios 
650 4 |a Journal Article 
650 4 |a Cylindrospermopsin 
650 4 |a Daucus carota 
650 4 |a Food safety 
650 4 |a Minerals 
650 4 |a Photosynthesis 
650 7 |a Alkaloids  |2 NLM 
650 7 |a Bacterial Toxins  |2 NLM 
650 7 |a Cyanobacteria Toxins  |2 NLM 
650 7 |a Minerals  |2 NLM 
650 7 |a Soil Pollutants  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a cylindrospermopsin  |2 NLM 
650 7 |a 2JIZ556BA3  |2 NLM 
650 7 |a Uracil  |2 NLM 
650 7 |a 56HH86ZVCT  |2 NLM 
700 1 |a Campos, Alexandre  |e verfasserin  |4 aut 
700 1 |a Machado, Joana  |e verfasserin  |4 aut 
700 1 |a Freitas, Marisa  |e verfasserin  |4 aut 
700 1 |a Azevedo, Joana  |e verfasserin  |4 aut 
700 1 |a Pinto, Edgar  |e verfasserin  |4 aut 
700 1 |a Almeida, Agostinho  |e verfasserin  |4 aut 
700 1 |a Cameán, Ana M  |e verfasserin  |4 aut 
700 1 |a Vasconcelos, Vitor  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Ecotoxicology (London, England)  |d 1992  |g 26(2017), 1 vom: 22. Jan., Seite 22-31  |w (DE-627)NLM098212214  |x 1573-3017  |7 nnns 
773 1 8 |g volume:26  |g year:2017  |g number:1  |g day:22  |g month:01  |g pages:22-31 
856 4 0 |u http://dx.doi.org/10.1007/s10646-016-1737-4  |3 Volltext 
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